VINTAGE RADIOMETER, SPACE AGE SPHERE POWERED BY THE SUN, SOLAR ENGINE

Crookes radiometer, specifically the model "The Sphere Powered By The Sun TEDCO.

RADIOMETER - The Sphere Powered By The Sun - TEDCO Toys Science Fun

Solar Radiometer Crookes Solar Vanes Windmill Gift Home Desk1135

Spaceship Solar Power Radiometer Sun Light Energy Spinning Vanes Glass Windmill

Vintage Glass Solar Radiometer By Duro-Lite Science Light Experiment

Radiometer Space Age Sphere Solar Engine Powered by the Sun Vintage lotA see pix

Radiometer Space Age Sphere Solar Engine Powered by the Sun Vintage lotB see pix